Base | Representation |
---|---|
bin | 1111001000100… |
… | …01000001010000 |
3 | 22211212121002212 |
4 | 13210101001100 |
5 | 224444304113 |
6 | 20332531252 |
7 | 3101015030 |
oct | 744210120 |
9 | 284777085 |
10 | 126947408 |
11 | 65727515 |
12 | 36620b28 |
13 | 203ba213 |
14 | 12c078c0 |
15 | b2290a8 |
hex | 7911050 |
126947408 has 20 divisors (see below), whose sum is σ = 281098080. Its totient is φ = 54405984.
The previous prime is 126947399. The next prime is 126947411. The reversal of 126947408 is 804749621.
It is a super-2 number, since 2×1269474082 = 32231288795836928, which contains 22 as substring.
It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566618 + ... + 566841.
It is an arithmetic number, because the mean of its divisors is an integer number (14054904).
Almost surely, 2126947408 is an apocalyptic number.
It is an amenable number.
126947408 is an abundant number, since it is smaller than the sum of its proper divisors (154150672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126947408 is a wasteful number, since it uses less digits than its factorization.
126947408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1133474 (or 1133468 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 41.
The square root of 126947408 is about 11267.0940352870. The cubic root of 126947408 is about 502.5831754268.
It can be divided in two parts, 12694 and 7408, that added together give a palindrome (20102).
The spelling of 126947408 in words is "one hundred twenty-six million, nine hundred forty-seven thousand, four hundred eight".
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